K33 HVAC Control Module X2

WARNING: This page is about a different car, the 2010 Cadillac SRX. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: K33 HVAC Control Module X2 Connector End View

Courtesy of GENERAL MOTORS CORP.

Pin	Wire	Circuit	Function
1	0.5 RD/WH	3340	Battery Positive Voltage
2	0.35 D-GN	5060	Low Speed GMLAN Serial Data
3	-	-	Not Used
4	0.35 YE	7531	Local Interconnect Network 9
5-7	-	-	Not Used
8	0.5 BK	1650	Ground
9	0.35 PK	1039	Ignition 1 Voltage
10	0.5 PK	7574	A/C Compressor Control
11	0.5 PU	7575	A/C Compressor Supply Voltage
12-14	-	-	Not Used
15	0.35 GY/BK	754	Blower Motor Speed Control
16	0.35 D-GN	2211	Auxiliary Blower Motor Speed Control
17	-	-	Not Used
18	0.35 BN	6102	Low Reference
19	0.35 WH	193	Rear Defog Relay Control
20	-	-	Not Used

Connector Part Information

Harness Type: Instrument Panel
OEM Connector: 15491305
Service Connector: 15126709
Description: 20-Way F USCAR 64 Series (BN)

Terminal Part Information

Terminal/Tray: SAIT-A03T-M064/14
Core/Insulation Crimp: P/P
Release Tool/Test Probe: J-38125-215A/J-35616-64B (L-BU)